Joint Base Charleston is geographically separated into different areas as the result of merging Charleston Air Force Base (CAFB) and Naval Weapons
Station-Charleston. Charleston Air Force Base has a population of 6,971 and covers 3,733 acres on main base, 271 acres in Hunley Park and 2,392 acres at North Auxiliary Airfield. Naval Weapons Station-Charleston has a population of 15,213 personnel and encompasses 16,960 acres (27 square miles) of land. In 2011, Joint Base Charleston FES responded to 1461 calls. The following is a breakdown of the calls; 463 structural responses, 393 medical calls, 110 aircraft emergencies, 43 Mutual Aid calls and 65 other types of incidents. The department also supported 387 standby operations. Joint Base Charleston FES also supported over 24,685 military missions and 104,273 aircraft operations. Joint Base Charleston was responsible for moving 2,515,679 inbound/outbound passengers. The North Auxiliary Airfield (NAAF) fire station supported over 35K flights on their two runways.